After Christmas shopping, 18-year-old Linda Velzy vanishes into upstate New York's frozen landscape. The primary suspect refuses to talk to detectives, so Linda's father hatches a desperate plan. But temperatures are dropping and time is running out.

Days before Christmas, a pastor finds bartender Robbie Schmidt strangled in the snow. Robbie's family is shocked when suspicion falls on his closest friend. But as winters come and go, detectives fear they will never catch the killer.

74-year-old widow Virginia Johannessen is shot dead in her home; then, another widow is murdered on the same street. Is someone targeting widows on Felton Road? As police unravel the truth, they discover they've made a chilling mistake.

Weeks after the Christmas disappearance of 22-year-old Dean Fawcett, detectives discover a headless body in the snow. A handwritten note points to a dangerous set of suspects, setting investigators on a cross-country manhunt to unravel the truth.

In the middle of a cold January night, a family of four is murdered in their home. As fear grips the small town of Evansville, Indiana, detectives launch a desperate manhunt for a deranged killer. But will they be too late?

On a freezing Minnesota night, a ruthless shooting leaves a young police officer fighting for his life by the roadside. As his wife awaits his fate, a heart-stopping manhunt ensues. As the killers escape, officers don't know who they'll strike next.

Kay Weden finds her mother inexplicably murdered inside her own home. Then, investigators discover the frozen remains of her boyfriend in the icy peaks of Blue Ridge Mountains. Only by speaking with Kay do investigators realize she's being stalked.

When a mother and her two young children mysteriously go missing, her family goes to their home only to discover it empty. Then, two local boys nearby also disappear. Is there a serial predator on the loose in the wintry landscape of rural Missouri?

21-year-old Noel Alkaramla vanishes just before Thanksgiving. Her mother Debra suspects her daughter's antagonistic girlfriend. Investigators interrogate her and many others. But the answers can only be found in icy depths of the Hudson River.

In February, a teenage couple mysteriously disappears leaving two families devastated. When their car turns up abandoned and burnt in a field, everyone's desperate for answers. But winter's thaw reveals the hideous truth that shocks the community.

After a blizzard, a son visits his parents, only to find them heinously murdered. Detectives discover a crime scene hopelessly compromised. But they soon cross paths with a peculiar local, who may know what happened during the snowstorm.